(19)
(11)
EP 0 871 498 A1
(12)
(43)
Date of publication:
21.10.1998
Bulletin 1998/43
(21)
Application number:
96921384.0
(22)
Date of filing:
07.06.1996
(51)
International Patent Classification (IPC):
A61K
49/
00
( . )
B01J
13/
02
( . )
A61K
49/
22
( . )
(86)
International application number:
PCT/US1996/009547
(87)
International publication number:
WO 1996/040283
(
19.12.1996
Gazette 1997/03)
(84)
Designated Contracting States:
AT BE CH DE DK ES FI FR GB GR IE IT LI LU MC NL PT SE
(30)
Priority:
07.06.1995
US 19950477510
(71)
Applicant:
MOLECULAR BIOSYSTEMS, INC.
San Diego California 92121 (US)
(72)
Inventor:
LOHRMANN, Rolff
La Jolla, CA 92037 (US)
(74)
Representative:
Goldin, Douglas Michael
J.A. KEMP & CO. 14 South Square Gray's Inn
London WC1R 5LX
London WC1R 5LX (GB)
(54)
INSOLUBLE GAS-FILLED MICROSPHERES CONTAINING A HYDROPHOBIC BARRIER